package com.ruoyi.campus.service.impl;

import com.ruoyi.campus.service.IFileStorageService;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpServletResponse;
import java.util.*;

/**
 * 文件存储Service业务层处理 - 简化实现
 *
 * @author campus-alarm
 * @date 2024-01-01
 */
@Service
public class FileStorageServiceImpl implements IFileStorageService
{
    // 所有方法都提供基本实现，避免启动时出错
    
    @Override
    public Map<String, Object> uploadFile(MultipartFile file, String folder) throws Exception 
    {
        Map<String, Object> result = new HashMap<>();
        result.put("success", false);
        result.put("message", "文件上传功能暂未实现");
        return result;
    }

    @Override
    public Map<String, Object> initChunkUpload(String fileName, Long fileSize, Integer chunkSize, String folder) throws Exception 
    {
        Map<String, Object> result = new HashMap<>();
        result.put("success", false);
        result.put("message", "分片上传功能暂未实现");
        return result;
    }

    @Override
    public Map<String, Object> uploadChunk(MultipartFile chunk, String uploadId, Integer chunkIndex) throws Exception 
    {
        Map<String, Object> result = new HashMap<>();
        result.put("success", false);
        result.put("message", "分片上传功能暂未实现");
        return result;
    }

    @Override
    public Map<String, Object> mergeChunks(String uploadId, Integer totalChunks) throws Exception 
    {
        Map<String, Object> result = new HashMap<>();
        result.put("success", false);
        result.put("message", "分片合并功能暂未实现");
        return result;
    }

    @Override
    public boolean deleteFile(String filePath) throws Exception 
    {
        return false;
    }

    @Override
    public Map<String, Boolean> deleteFiles(List<String> filePaths) throws Exception 
    {
        Map<String, Boolean> result = new HashMap<>();
        if (filePaths != null) {
            for (String filePath : filePaths) {
                result.put(filePath, false);
            }
        }
        return result;
    }

    @Override
    public void downloadFile(String filePath, HttpServletResponse response) throws Exception 
    {
        // 空实现
    }

    @Override
    public Map<String, Object> getFileInfo(String filePath) throws Exception 
    {
        Map<String, Object> result = new HashMap<>();
        result.put("exists", false);
        result.put("message", "文件信息获取功能暂未实现");
        return result;
    }

    @Override
    public String generateFileUrl(String filePath) 
    {
        return "";
    }

    @Override
    public Map<String, Object> generatePresignedUploadUrl(String fileName, String folder, Integer expireTime) throws Exception 
    {
        Map<String, Object> result = new HashMap<>();
        result.put("success", false);
        result.put("message", "预签名URL生成功能暂未实现");
        return result;
    }

    @Override
    public boolean copyFile(String sourcePath, String targetPath) throws Exception 
    {
        return false;
    }

    @Override
    public boolean moveFile(String sourcePath, String targetPath) throws Exception 
    {
        return false;
    }

    @Override
    public boolean fileExists(String filePath) throws Exception 
    {
        return false;
    }

    @Override
    public List<Map<String, Object>> listFiles(String folder, boolean recursive) throws Exception 
    {
        return new ArrayList<>();
    }

    @Override
    public int cleanupTempFiles(long beforeTime) throws Exception 
    {
        return 0;
    }
} 